Portable computer



FIG. 1 is a front elevational view of our new design for a portable computer;

FIG. 2 is a back elevational view of the portable computer of FIG. 1;

FIG. 3 is a left side elevational view of the portable computer of FIG. 1;

FIG. 4 is a right side elevational view of the portable computer of FIG. 1;

FIG. 5 is a top plan view of the portable computer of FIG. 1 the bottom view being unornamented; and,

FIG. 6 is a reduced left front perspective view of the portable computer of FIG. 1. 

The ornamental design for a portable computer, as shown and described. 